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Expose getPointedThing to Lua

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This commit introduces Raycast, a Lua user object, which can be
used to perform a raycast on the map. The ray is continuable, so one can
also get hidden nodes (for example to see trough glass).
This commit is contained in:
Dániel Juhász 2016-07-23 21:11:20 +02:00 • committed by paramat
parent a80ecbee1e
commit 3caad3f3c9
25 changed files with 671 additions and 313 deletions
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27
src/game.cpp
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@ -50,6 +50,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "particles.h"
#include "profiler.h"
#include "quicktune_shortcutter.h"
#include "raycast.h"
#include "server.h"
#include "settings.h"
#include "sky.h"
@ -3667,28 +3668,22 @@ PointedThing Game::updatePointedThing(
static thread_local const bool show_entity_selectionbox = g_settings->getBool(
"show_entity_selectionbox");
ClientMap &map = client->getEnv().getClientMap();
INodeDefManager *nodedef=client->getNodeDefManager();
ClientEnvironment &env = client->getEnv();
ClientMap &map = env.getClientMap();
INodeDefManager *nodedef = map.getNodeDefManager();
runData.selected_object = NULL;
PointedThing result=client->getEnv().getPointedThing(
shootline, liquids_pointable, look_for_object);
RaycastState s(shootline, look_for_object, liquids_pointable);
PointedThing result;
env.continueRaycast(&s, &result);
if (result.type == POINTEDTHING_OBJECT) {
runData.selected_object = client->getEnv().getActiveObject(result.object_id);
if (show_entity_selectionbox && runData.selected_object->doShowSelectionBox()) {
aabb3f *selection_box = runData.selected_object->getSelectionBox();
// Box should exist because object was
// returned in the first place
assert(selection_box);
aabb3f selection_box;
if (show_entity_selectionbox && runData.selected_object->doShowSelectionBox() &&
runData.selected_object->getSelectionBox(&selection_box)) {
v3f pos = runData.selected_object->getPosition();
selectionboxes->push_back(aabb3f(
selection_box->MinEdge, selection_box->MaxEdge));
selectionboxes->push_back(
aabb3f(selection_box->MinEdge, selection_box->MaxEdge));
selectionboxes->push_back(aabb3f(selection_box));
hud->setSelectionPos(pos, camera_offset);
}
} else if (result.type == POINTEDTHING_NODE) {